“This is the single most important case on American democracy — and for American democracy — in the nation’s history.”

 That's former judge Michael Luttig on Moore v. Harper, which will be heard by the Supreme Court this Wednesday.  The question presented is:

Whether a state’s judicial branch may nullify the regulations governing the “Manner of holding Elections for Senators and Representatives ... prescribed ... by the Legislature thereof,” and replace them with regulations of the state courts’ own devising, based on vague state constitutional provisions purportedly vesting the state judiciary with power to prescribe whatever rules it deems appropriate to ensure a “fair” or “free” election.

The AP covers the case here: 

The Supreme Court is about to confront a new elections case, a Republican-led challenge asking the justices for a novel ruling that could significantly increase the power of state lawmakers over elections for Congress and the presidency.

The court is set to hear arguments Wednesday in a case from North Carolina, where Republican efforts to draw congressional districts heavily in their favor were blocked by a Democratic majority on the state Supreme Court because the GOP map violated the state constitution.

A court-drawn map produced seven seats for each party in last month’s midterm elections in highly competitive North Carolina.

The question for the justices is whether the U.S. Constitution’s provision giving state legislatures the power to make the rules about the “times, places and manner” of congressional elections cuts state courts out of the process.

***

Luttig, who advised former Vice President Mike Pence that he had no authority to reject electoral votes following the 2020 election, is among several prominent conservatives and Republicans who have lined up against the broad assertion that legislatures can’t be challenged in state courts when they make decisions about federal elections, including congressional redistricting.

That group includes former California Gov. Arnold Schwarzenegger, law professor Steven Calabresi, a founder of the conservative Federalist Society and Benjamin Ginsberg, a longtime lawyer for Republican candidates and the party.

“Unfortunately, because of ongoing and widespread efforts to sow distrust and spread disinformation, confidence in our elections is at a low ebb,” Ginsberg wrote in a Supreme Court filing. “The version of the independent state legislature theory advanced by Petitioners in this case threatens to make a bad situation much worse, exacerbating the current moment of political polarization and further undermining confidence in our elections.” 

That's just one blockbuster being heard this week.  Up Monday is the web-designer case, a follow up to the cake designer case.  From SCOTUSblog:

The Supreme Court on Monday will revisit a long-simmering tension between legal protections for LGBTQ people and the rights of business owners who oppose same-sex marriage. The case, 303 Creative v. Elenis, is a challenge by a Colorado website designer to a state law that bars businesses that are open to the public from discriminating against gay people or announcing their intent to do so. The designer, Lorie Smith, argues that subjecting her to the law would violate her right to free speech. Colorado counters that exempting Smith from the law would open a Pandora’s box that would “upend antidiscrimination law – and other laws too.”

The justices have already grappled with this question once. In 2018, the court handed a narrow victory to Jack Phillips, a Colorado baker who refused to make a custom cake for a same-sex couple because he believed that doing so would violate his religious beliefs. Justice Anthony Kennedy’s opinion rested largely on the majority’s conclusion that the Colorado administrative agency that ruled against Phillips treated him unfairly by being too hostile to his sincere religious beliefs. The opinion seemed to leave open the possibility that, in a future case, a service provider’s sincere religious beliefs might have to yield to the state’s interest in protecting the rights of same-sex couples, and the majority did not rule on one of the central arguments in the case – whether compelling Phillips to bake a cake for a same-sex couple would violate his right to freedom of speech.

Enter Lorie Smith, the owner of 303 Creative LLC, a designer of websites and graphics based in Littleton, Colorado. Smith is a devout Christian who believes that marriage “is only between one man and one woman.” So although Smith wants to expand her business to include wedding websites, she does not want to design websites for same-sex weddings, and she wants to post a message on her own website to make that clear.

In 2016, Smith went to federal court in Colorado, seeking a ruling that Colorado could not enforce its public-accommodations law, known as the Colorado Anti-Discrimination Act, against her because it would violate her First Amendment rights to free speech and free exercise of religion. When the U.S. Court of Appeals for the 10th Circuit rejected her arguments, Smith came to the Supreme Court. The justices agreed in February to take up her case – but only on the free speech question, not on the free exercise issue.